anonymous
  • anonymous
Solve. 2x2 + 3x = –8
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
Add 8 to both sides and use quadratic equation.
anonymous
  • anonymous
try solving this on your own :)
anonymous
  • anonymous
Perhaps you're seeing a pattern by now, that the answer is to isolate all terms on one side and use the quadratic equation

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anonymous
  • anonymous
lmwtfy http://www.wolframalpha.com/input/?i=2x2+%2B+3x+%3D+%E2%80%938+
anonymous
  • anonymous
add 8 to both sides 2x^2 +3x + 8 = 0 we can't factor this, so we have to use the quadratic formula |dw:1323577700376:dw| plug it in basically. -3 (+-) \[\sqrt{3^2-4(2)(8)}\] --------------------------- 2 * 2
anonymous
  • anonymous
ew -3 (+-) is on the same line of the square root lol

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